metal sealed tube
常见例句
- An experiment on hydrothermal growth are in process in a sealed tube with a precious metal liner.
红宝石的水热生长试验在密封贵金属衬管中进行。 - Said invention also provides a palladium-103 seed medicine and a metal rod cover-coated with palladium-103 and solder-sealed in titanium tube.
本发明还提供了一种钯-103种子药物，于钛管内部焊封一粒覆镀钯-103的金属棒。
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